monolith after multiple sightings of the structure across the world.The structure appeared in Adelaide, covered in coordinates and was found at 6pm on Thursday.Images show the metallic object is three-sided and three metres tall, placed near the Seaford Train bridge in Noarlunga in Adelaide's southern suburbs.Coordinates on the structure highlight locations across the world, some point to landmarks and some are random.The coordinate at the top points to a brownstone building in Brooklyn, New York, reports the Mail Online.Another points to the uninhabited island of Managaha in the Northern Mariana Islands, near Guam.At the bottom, the coordinate points to The Sphinx in Egypt's Al Giza Desert.Its origins are currently being investigated after.
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